Remove Intl.RelativeTimeFormat stub
Remove Intl.RelativeTimeFormat stub

projectfluent/fluent.js,stasm/l20n.js,l20n/l20n.js,zbraniecki/fluent.js,projectfluent/fluent.js,projectfluent/fluent.js,zbraniecki/fluent.js,zbraniecki/l20n.js